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<DIV CLASS="navbar"><A HREF="http://vt100.net/"><IMG CLASS="button" SRC="vt100.net-logo.png" ALT="VT100.net" HEIGHT="16" WIDTH="102"></A> VT102 User Guide<TABLE WIDTH="100%">
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<TD ALIGN="LEFT"><A HREF="chapter1.html">Chapter 1</A></TD>
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<CAPTION>Table 1-1 Keyboard Locked Condition</CAPTION>
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<TH>Cause</TH>
<TH>Method of Clearing</TH>
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<TD>Terminal not connected to computer.
Communication line signals are not
correct for communication.</TD>
<TD>Cleared when a connection exists
between computer and terminal.
Check CTS and DSR indicators to
determine if a connection exists.</TD>
</TR>
<TR VALIGN="TOP">
<TD>Half-duplex communication is selected
(by modem control SET-UP feature) and
terminal is receiving characters. Terminal
cannot transmit characters when
receiving characters in half-duplex.</TD>
<TD>Cleared when line turns around and
terminal can transmit characters.</TD>
</TR>
<TR VALIGN="TOP">
<TD>Characters are typed into terminal
faster than they can be transmitted.</TD>
<TD>Cleared when terminal transmits
characters in keyboard character
buffer to computer.</TD>
</TR>
<TR VALIGN="TOP">
<TD>A print operation selected while offline.</TD>
<TD>Cleared when print operation ends.</TD>
</TR>
<TR VALIGN="TOP">
<TD>Computer turns off keyboard.</TD>
<TD>Computer turns on keyboard.</TD>
</TR>
<TR VALIGN="TOP">
<TD COLSPAN="2"><P CLASS="note">NOTE: Entering and exiting SET-UP with KBD LOCKED on erases the keyboard
character buffer and cancels printing or print operation requests.</P></TD>
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